Intro. to Environmental Science Final Exam.pdf file:///C:/Users/HP/Desktop/New%20folder%20(2)/Intro.%20to%20E
Intro. to Environmental Science Final Exam
Questions & Answers
1. What is the role of the Energy Star program in energy conservation?
Answer the Energy Star is given for electrical appliances with energy efficiency
that meets certain standards for low energy consumption
2. Why are over one-sixth of the world's people at risk for running out of
drinking water?
Answer Glaciers in many areas are melting
3. what would be an example of mitigation rather than adaptation for global
climate change?
Answer building more wind turbines to generate energy from renewable sources
rather than fossil fuels
4. troposphere
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,Intro. to Environmental Science Final Exam.pdf file:///C:/Users/HP/Desktop/New%20folder%20(2)/Intro.%20to%20E
Answer This layer of the atmosphere contains 75% of the atmosphere's molecules,
is closest to the planet's surface, is constantly mixing, and gives us our weather.
5. The Clean Air Act
Answer Piece of legislation that sets strict standards for air quality and pollution
control
6. ozone is made of and is broken down by .
Answer oxygen; chlorine
7. Most of the indoor air pollution in developing countries comes from
.
Answer burning fuelwood
8. What has the ability to absorb energy from Earth's surface and then emit
infrared radiation in all directions?
Answer Greenhouse Gases
9. For how long have accurate measurements of Earth's climate been record-
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ed?
Answer more than a century
10. How can the actions of packrats serve as proxy indicators of climate
change?
Answer The packrat middens preserve plant parts for centuries.
11. what is an example of mitigation?
Answer Making legislation to reduce our use of fossil fuels
12. Salt can be removed from seawater by .
Answer desalinization mimick- ing the hydrologic cycle by taking ocean water and
hastening evaporation with heat, and then condensing the vapor
13. What is the largest source of oil input into the world's oceans?
Answer seeps from naturally occurring seafloor deposits
14. What is true regarding marine reserves?
Answer They tend to increase species diversity.
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